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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
      6 #define CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
      7 #pragma once
      8 
      9 #include "chrome/browser/extensions/extension_infobar_delegate.h"
     10 #include "chrome/browser/extensions/image_loading_tracker.h"
     11 #include "chrome/browser/ui/views/extensions/extension_view.h"
     12 #include "chrome/browser/ui/views/infobars/infobar_view.h"
     13 #include "views/controls/menu/view_menu_delegate.h"
     14 
     15 class ExtensionContextMenuModel;
     16 namespace views {
     17 class MenuButton;
     18 class Menu2;
     19 }
     20 
     21 class ExtensionInfoBar : public InfoBarView,
     22                          public ExtensionView::Container,
     23                          public ImageLoadingTracker::Observer,
     24                          public ExtensionInfoBarDelegate::DelegateObserver,
     25                          public views::ViewMenuDelegate {
     26  public:
     27   explicit ExtensionInfoBar(ExtensionInfoBarDelegate* delegate);
     28 
     29  private:
     30   virtual ~ExtensionInfoBar();
     31 
     32   // InfoBarView:
     33   virtual void Layout();
     34   virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
     35   virtual int ContentMinimumWidth() const;
     36 
     37   // ExtensionView::Container:
     38   virtual void OnExtensionMouseMove(ExtensionView* view);
     39   virtual void OnExtensionMouseLeave(ExtensionView* view);
     40   virtual void OnExtensionPreferredSizeChanged(ExtensionView* view);
     41 
     42   // ImageLoadingTracker::Observer:
     43   virtual void OnImageLoaded(SkBitmap* image,
     44                              const ExtensionResource& resource,
     45                              int index);
     46 
     47   // ExtensionInfoBarDelegate::DelegateObserver:
     48   virtual void OnDelegateDeleted();
     49 
     50   // views::ViewMenuDelegate:
     51   virtual void RunMenu(View* source, const gfx::Point& pt);
     52 
     53   ExtensionInfoBarDelegate* GetDelegate();
     54 
     55   // TODO(pkasting): This shadows InfoBarView::delegate_.  Get rid of this once
     56   // InfoBars own their delegates (and thus we don't need the DelegateObserver
     57   // functionality).  For now, almost everyone should use GetDelegate() instead.
     58   InfoBarDelegate* delegate_;
     59 
     60   // The dropdown menu for accessing the contextual extension actions.
     61   scoped_refptr<ExtensionContextMenuModel> options_menu_contents_;
     62   scoped_ptr<views::Menu2> options_menu_menu_;
     63   views::MenuButton* menu_;
     64 
     65   // Keeps track of images being loaded on the File thread.
     66   ImageLoadingTracker tracker_;
     67 
     68   DISALLOW_COPY_AND_ASSIGN(ExtensionInfoBar);
     69 };
     70 
     71 #endif  // CHROME_BROWSER_UI_VIEWS_INFOBARS_EXTENSION_INFOBAR_H_
     72